Oil Cooled Three Phase Servo Voltage Stabilizer is available with fully automatic IC based solid state, glass epoxy control card for easy on line serviceability. The Servo Voltage Stabilizer is used for precise control of output voltage that significantly increases the life of appliances and machine contacted through it. The Servo Voltage Stabilizer functions on input frequency range of 45-55 Hz. Oil Cooled Three Phase Servo Voltage Stabilizer is suitable for commercial as well as domestic applications.